kc3-lang/angle/src/libANGLE/renderer/null/FramebufferNULL.cpp

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• Hash : bddc46b4
  Author :
  Date : 2016-12-09T09:50:51
  

  ES31: Implement multisampled Textures.
  
  Implement TexStorage2DMultisample and getMultisamplefv entry point.
  Also modify sample state for Textures and Framebuffers.
  
  BUG=angleproject:1590
  TEST=angle_unittests
  TEST=angle_end2end_tests
  TEST=dEQP-GLES31.functional.texture.multisample.samples_*.sample_position
  TEST=dEQP-GLES31.functional.texture.multisample.samples_*.use_texture_color_2d
  TEST=dEQP-GLES31.functional.texture.multisample.samples_*.use_texture_depth_2d
  TEST=dEQP-GLES31.functional.texture.multisample.negative.fbo_attach_different_sample_count_tex_tex
  TEST=dEQP-GLES31.functional.texture.multisample.negative.fbo_attach_different_sample_count_tex_rbo
  TEST=dEQP-GLES31.functional.texture.multisample.negative.fbo_attach_non_zero_level
  TEST=dEQP-GLES31.functional.texture.multisample.negative.texture_high_sample_count
  TEST=dEQP-GLES31.functional.texture.multisample.negative.texture_zero_sample_count
  TEST=dEQP-GLES31.functional.shaders.builtin_functions.texture_size.samples_1_texture_2d
  TEST=dEQP-GLES31.functional.shaders.builtin_functions.texture_size.samples_4_texture_2d
  
  Change-Id: I8fa7bd4e73b95745858a3e16b1b92004b4a18712
  Reviewed-on: https://chromium-review.googlesource.com/414309
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Yunchao He <yunchao.he@intel.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/null/FramebufferNULL.cpp

• //
  // Copyright 2016 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // FramebufferNULL.cpp:
  //    Implements the class methods for FramebufferNULL.
  //
  
  #include "libANGLE/renderer/null/FramebufferNULL.h"
  
  #include "libANGLE/formatutils.h"
  
  #include "common/debug.h"
  
  namespace rx
  {
  
  FramebufferNULL::FramebufferNULL(const gl::FramebufferState &state) : FramebufferImpl(state)
  {
  }
  
  FramebufferNULL::~FramebufferNULL()
  {
  }
  
  gl::Error FramebufferNULL::discard(size_t count, const GLenum *attachments)
  {
      return gl::NoError();
  }
  
  gl::Error FramebufferNULL::invalidate(size_t count, const GLenum *attachments)
  {
      return gl::NoError();
  }
  
  gl::Error FramebufferNULL::invalidateSub(size_t count,
                                           const GLenum *attachments,
                                           const gl::Rectangle &area)
  {
      return gl::NoError();
  }
  
  gl::Error FramebufferNULL::clear(ContextImpl *context, GLbitfield mask)
  {
      return gl::NoError();
  }
  
  gl::Error FramebufferNULL::clearBufferfv(ContextImpl *context,
                                           GLenum buffer,
                                           GLint drawbuffer,
                                           const GLfloat *values)
  {
      return gl::NoError();
  }
  
  gl::Error FramebufferNULL::clearBufferuiv(ContextImpl *context,
                                            GLenum buffer,
                                            GLint drawbuffer,
                                            const GLuint *values)
  {
      return gl::NoError();
  }
  
  gl::Error FramebufferNULL::clearBufferiv(ContextImpl *context,
                                           GLenum buffer,
                                           GLint drawbuffer,
                                           const GLint *values)
  {
      return gl::NoError();
  }
  
  gl::Error FramebufferNULL::clearBufferfi(ContextImpl *context,
                                           GLenum buffer,
                                           GLint drawbuffer,
                                           GLfloat depth,
                                           GLint stencil)
  {
      return gl::NoError();
  }
  
  GLenum FramebufferNULL::getImplementationColorReadFormat() const
  {
      const gl::FramebufferAttachment *readAttachment = mState.getReadAttachment();
      if (readAttachment == nullptr)
      {
          return GL_NONE;
      }
  
      const gl::Format &format = readAttachment->getFormat();
      ASSERT(format.info != nullptr);
      return format.info->getReadPixelsFormat();
  }
  
  GLenum FramebufferNULL::getImplementationColorReadType() const
  {
      const gl::FramebufferAttachment *readAttachment = mState.getReadAttachment();
      if (readAttachment == nullptr)
      {
          return GL_NONE;
      }
  
      const gl::Format &format = readAttachment->getFormat();
      ASSERT(format.info != nullptr);
      return format.info->getReadPixelsType();
  }
  
  gl::Error FramebufferNULL::readPixels(ContextImpl *context,
                                        const gl::Rectangle &area,
                                        GLenum format,
                                        GLenum type,
                                        GLvoid *pixels) const
  {
      return gl::NoError();
  }
  
  gl::Error FramebufferNULL::blit(ContextImpl *context,
                                  const gl::Rectangle &sourceArea,
                                  const gl::Rectangle &destArea,
                                  GLbitfield mask,
                                  GLenum filter)
  {
      return gl::NoError();
  }
  
  bool FramebufferNULL::checkStatus() const
  {
      return true;
  }
  
  void FramebufferNULL::syncState(const gl::Framebuffer::DirtyBits &dirtyBits)
  {
  }
  
  gl::Error FramebufferNULL::getSamplePosition(size_t index, GLfloat *xy) const
  {
      return gl::NoError();
  }
  
  }  // namespace rx
  

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